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Re:逆序对怎么求？Re:I 线段处理

Posted by atlas_of_rruucc at 2004-09-14 00:22:08
In Reply To:Re:逆序对怎么求？Re:I 线段处理 Posted by:helloeveryone at 2004-09-13 22:53:07 
www.ioiforum.org的OIBH上有专门的论文介绍这个东西，找来看看吧
不然线段树也可以，随便一本计算几何的教材上都有
> 
> 树状数组?
> 什么样子的呢?
> 能否举个例子?
>
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